
/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkShader.h"
#include "SkKey.h"

static void make_bitmap(SkBitmap* bm)
    {
    const int W = 100;
    const int H = 100;
    bm->setConfig(SkBitmap::kARGB_8888_Config, W, H);
    bm->allocPixels();

    SkPaint paint;
    SkCanvas canvas(*bm);
    canvas.drawColor(SK_ColorWHITE);

    const SkColor colors[] =
        {
        SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE
        };

    for (int ix = 0; ix < W; ix += 1)
        {
        SkScalar x = SkIntToScalar(ix) + SK_ScalarHalf;
        paint.setColor(colors[ix & 3]);
        canvas.drawLine(x, 0, x, SkIntToScalar(H - 1), paint);
        }
    paint.setColor(SK_ColorGRAY);
    canvas.drawLine(0, 0, SkIntToScalar(W), 0, paint);
    }

static void make_paint(SkPaint* paint, SkShader::TileMode tm)
    {
    SkBitmap bm;
    make_bitmap(&bm);

    SkShader* shader = SkShader::CreateBitmapShader(bm, tm, tm);
    paint->setShader(shader)->unref();
    }

class RepeatTileView : public SampleView
    {
    public:
        RepeatTileView()
            {
            this->setBGColor(SK_ColorGRAY);
            }

    protected:
        // overrides from SkEventSink
        virtual bool onQuery(SkEvent* evt)
            {
            if (SampleCode::TitleQ(*evt))
                {
                SampleCode::TitleR(evt, "RepeatTile");
                return true;
                }
            return this->INHERITED::onQuery(evt);
            }

        virtual void onDrawContent(SkCanvas* canvas)
            {
            SkPaint paint;
            make_paint(&paint, SkShader::kRepeat_TileMode);

//        canvas->scale(SK_Scalar1*2, SK_Scalar1);
            canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
            canvas->drawPaint(paint);
            }

        virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y)
            {
            this->inval(NULL);

            return this->INHERITED::onFindClickHandler(x, y);
            }

        virtual bool onClick(Click* click)
            {
            return this->INHERITED::onClick(click);
            }

        virtual bool handleKey(SkKey key)
            {
            this->inval(NULL);
            return true;
            }

    private:
        typedef SampleView INHERITED;
    };

//////////////////////////////////////////////////////////////////////////////

static SkView* MyFactory()
    {
    return new RepeatTileView;
    }
static SkViewRegister reg(MyFactory);

